Royal Adhesives WS-8072 B1/2 Corrosion Inhibitive Sealant MIL-PRF-81733 TYII Class 1 Grade B / AMS-3265 / SS8629

WS-8072 B1/2 is a non-chromate, corrosion-inhibitive, lightweight, fast-curing polysulfide sealant designed for aerospace applications, particularly for filleting and faying surface sealing of aircraft structures. It effectively prevents corrosion resulting from water intrusion and interaction between dissimilar metals.

Key Features and Benefits

• Corrosion Resistance: Provides a robust barrier against corrosion, safeguarding aircraft components.
• Fuel and Oil Resistance: Maintains performance when exposed to aviation fuels and oils.
• Temperature Resilience: Operates effectively across a wide temperature range, withstanding intermittent exposure up to 360°F (182°C).
• Lightweight Composition: Formulated to be lightweight, contributing to overall weight savings in aircraft applications.
• Fast Curing: Cures rapidly at room temperature, enhancing productivity during maintenance and manufacturing processes.
• Thixotropic Paste: Exhibits non-sag characteristics, allowing for easy application by extrusion gun or spatula on vertical or overhead surfaces.

Technical Specifications

• • Application Life: 30 minutes.
  • Tack-Free Time: Approximately 5 to 6 hours.
  • Cure Time: Fully cures in 24 hours.
  • Mixing Ratio: 100:10 by weight (Base to Accelerator).
  • Color: Gray.
  • Packaging Options: Available in 2.5 oz and 6 oz cartridges, as well as pint, quart, and gallon kits.
  • Shelf Life: 9 months when stored below 80°F (27°C) in original unopened containers.

Application Methods:

Before applying WS-8072 B1/2, ensure that all surfaces are clean, dry, and free from contaminants. The sealant can be mixed and applied using an extrusion gun or spatula, making it suitable for various aerospace sealing applications.

Specifications:

• MIL-PRF-81733 Type II Class B
  
• Interchangeable with
  
  • • 3M : AC-730,AC-735 B1/2
    • PPG: PR-1775 B2
    • Flamemaster: CS5500 B1/2